# Virtual Machines
[[Computer Science]] [[Programming Languages]]
There are two things often called Virtual Machines:
- virtualized hardware that can run on top of normal hardware. See [[Virtualization]]
- execution abstractions to implement [[Programming Languages]] and [[BOOK - Structure and Interpretation of Computer Programs - 2nd Edition - Harold Abelson Gerald Jay Sussman Julie Sussman]]
Notable examples:
- [[Java]]'s [[JVM]]
- [[Erlang]]'s [[BEAM]]
## Books
- [[BOOK - Structure and Interpretation of Computer Programs - 2nd Edition - Harold Abelson Gerald Jay Sussman Julie Sussman]]
## Links
- [Blog Archive | J15N](https://martin-henz.github.io/martin-henz/archive.html) [[Martin Henz]] has built a series of virtual machines in [[Javascript]] for [[SICP JS]].